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kobusy [5.1K]
3 years ago
12

What are mountins ussaly made from

Chemistry
2 answers:
Katarina [22]3 years ago
5 0

Answer:

rocks and earth

Explanation:

hope this helps

Sergeu [11.5K]3 years ago
4 0
Mountains are formed by slow but gigantic movements of the earth's crust
Hope this helps, please mark me brainliest
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Predict which substance in each pair has the higher surface tension.
natta225 [31]

Answer:

(a) Between methanol (CH₃OH) and glycerol (C₃H₅(OH)₃), the substance with the higher surface tension is glycerol (C₃H₅(OH)₃)

(b) Between tetrabromomethane (CBr₄) and chloroform (CHCl₃), the substance with the higher surface tension is chloroform (CHCl₃)

Explanation:

The surface tension of these substances at 20 °C given in mN/m, is as follows:

The surface tension of Methanol is 22.70

The surface tension of Tetrabromomethane is 26.95

The surface tension of Glycerol is 64.00

The surface tension of Chloroform is 27.50

(a) Between methanol (CH₃OH) and glycerol (C₃H₅(OH)₃), the substance with the higher surface tension is glycerol (C₃H₅(OH)₃)

(b) Between tetrabromomethane (CBr₄) and chloroform (CHCl₃), the substance with the higher surface tension is chloroform (CHCl₃)

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3 years ago
Radiation refers to energetic waves and particles emitted by a radioactive source. Which of the following electromagnetic waves
ladessa [460]
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3 years ago
Convert the following masses into kilograms:
beks73 [17]

Answer:

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(b): 0.005 kilograms

(c): 2.3 × 10^-5 kilograms

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Explanation:

Formulas:

(a); divide the mass value by 1000

(b); divide the mass value by 1e+6

(c); divide the mass value by 1e+9

(d); multiply the mass value by 1000

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Pls help!<br> Is volume equal to mass over density?
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density = mass/volume

volume= mass/density

Yes, you're correct.

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